Earnings Roundup: Headwaters, Zebra Technologies

Among the earnings stories for Tuesday, May 5, from AP Financial News:

SOUTH JORDAN, Utah (AP) ¿ Energy and building products company Headwaters Inc. said that its net loss grew substantially during the first quarter due to a goodwill-impairment charge, but predicted better-than-expected profit for the year.

NEW YORK (AP) ¿ GMAC Financial Services said that it will not be automatically be forced to file for bankruptcy protection if General Motors Corp. is unable to restructure itself by its government imposed deadline.